first commitv1.0.0-beta

1 files changed, 96 insertions, 0 deletions

diff --git a/NvBlast/samples/SampleBase/renderer/CustomRenderMesh.cpp b/NvBlast/samples/SampleBase/renderer/CustomRenderMesh.cpp
new file mode 100644
index 0000000..61ae9e0
--- /dev/null
+++ b/NvBlast/samples/SampleBase/renderer/CustomRenderMesh.cpp
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+*
+* NVIDIA CORPORATION and its licensors retain all intellectual property
+* and proprietary rights in and to this software, related documentation
+* and any modifications thereto.  Any use, reproduction, disclosure or
+* distribution of this software and related documentation without an express
+* license agreement from NVIDIA CORPORATION is strictly prohibited.
+*/
+
+#include "CustomRenderMesh.h"
+
+
+CustomRenderMesh::CustomRenderMesh()
+	: m_indexBuffer(nullptr)
+{
+}
+
+CustomRenderMesh::CustomRenderMesh(const void* vertices, uint32_t numVertices, uint32_t vertexSize, std::vector<D3D11_INPUT_ELEMENT_DESC>& inputDesc, const uint16_t* faces, uint32_t numFaces)
+	: m_indexBuffer(nullptr)
+{
+	initialize(vertices, numVertices, vertexSize, inputDesc, faces, numFaces);
+}
+
+void CustomRenderMesh::initialize(const void* vertices, uint32_t numVertices, uint32_t vertexSize, std::vector<D3D11_INPUT_ELEMENT_DESC>& inputDesc, const uint16_t* faces, uint32_t numFaces)
+{
+	ID3D11Device* device = GetDeviceManager()->GetDevice();
+
+	m_inputDesc = inputDesc;
+	m_numVertices = numVertices;
+	m_vertexSize = vertexSize;
+	m_numFaces = numFaces;
+
+	// VB
+	{
+		D3D11_SUBRESOURCE_DATA vertexBufferData;
+
+		ZeroMemory(&vertexBufferData, sizeof(vertexBufferData));
+		vertexBufferData.pSysMem = vertices;
+
+		D3D11_BUFFER_DESC bufferDesc;
+
+		memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+		bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+		bufferDesc.ByteWidth = vertexSize * numVertices;
+		bufferDesc.CPUAccessFlags = 0;
+		bufferDesc.MiscFlags = 0;
+		bufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+
+		V(device->CreateBuffer(&bufferDesc, &vertexBufferData, &m_vertexBuffer));
+	}
+
+	// IB
+	if (faces != nullptr)
+	{
+		D3D11_SUBRESOURCE_DATA indexBufferData;
+
+		ZeroMemory(&indexBufferData, sizeof(indexBufferData));
+		indexBufferData.pSysMem = faces;
+
+		D3D11_BUFFER_DESC bufferDesc;
+
+		memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+		bufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
+		bufferDesc.ByteWidth = sizeof(uint16_t) * numFaces;
+		bufferDesc.CPUAccessFlags = 0;
+		bufferDesc.MiscFlags = 0;
+		bufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+
+		V(device->CreateBuffer(&bufferDesc, &indexBufferData, &m_indexBuffer));
+	}
+}
+
+CustomRenderMesh::~CustomRenderMesh()
+{
+	SAFE_RELEASE(m_vertexBuffer);
+	SAFE_RELEASE(m_indexBuffer);
+}
+
+
+void CustomRenderMesh::render(ID3D11DeviceContext& context) const
+{
+	context.IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+
+	UINT strides[1] = { m_vertexSize };
+	UINT offsets[1] = { 0 };
+	context.IASetVertexBuffers(0, 1, &m_vertexBuffer, strides, offsets);
+
+	context.IASetIndexBuffer(m_indexBuffer, DXGI_FORMAT_R16_UINT, 0);
+
+	if (m_indexBuffer)
+		context.DrawIndexed(m_numFaces, 0, 0);
+	else
+		context.Draw(m_numVertices, 0);
+}
+